John harley



Pateinted Dec. 4, 1888.

lll l II II J. HARLEY.

CHAIR BOTTOM.

'(No'Model.\

m S E m I W UNITED STATES PATENT OFFICE.

JOHN HARLEY,- OF DETROIT, MICHIGAN, ASSI GNOR OF ONE-HALF TO J. F. MURPHY, OF SAME PLACE.

CHAIR-BOTTOM.

SPECIFICATION forming part of Letters Patent No. 393,758, dated December 4, 1888.

Application filed January 9, 1888 Serial No. 260,193. No modelfl To all whom it may concern: now out along the dotted lines B B (shown in Be it known that I, JOHN HARLEY, a citii Figs. 1 and and the tapered strips 1) rezen of the United States, residing at Detroit,. moved. The adjacent edges of the two porcounty of \Vayne, State of Michigan, have tions A are then brought together and se- 5 invented a certain. new and useful Improvef cured in any desired manner. The outer ment in Chair-Bottoms; andl declare the foledges are then dressed off to the desired lowing to be a full, clear, and exact descripshape, as shown in Fig. 2 by dotted lines C. tion of the same, such as will enable others It will be readily seen that by means of the skilled in the art to which, it appertains to bend in the wood at a the riser at the back of 10 make and use the same, reference being had i the chair-bottom is formed integral with the to the accompanying drawings, which form a bottom instead of, as in ordinary styles of part of this specification. chairs, being built up of pieces secured to the My invention relates to improvements in rear edge of the chair-bottom and then out the manufacture of chair-bottoms, andmore out to the required shape. The wood is also 15 particularly to that class of chair-bottoms bent slightly at A to help to form the depresmade of wood and bent or cut to the required sion in the seat. This construction produces shape. a much stronger chair-bottom than where the The objects of my invention are, first, to riser is made by piecing, and the operation of provide an improved chair-bottom in which i bending is much more quickly and cheaply 20 the proper shape shall be given to the wood performed than that of piecing and cutting. by bending instead of piecing and cutting, as It will be seen that by removing the wedgein the ordinary modesof construction; secshaped pieces I) the two portions of the riser 0nd, to provide an improved chair-bottom will, when the adjacent edges of the wood are formed by first bending a suitable plank into I joined, be brought together at a slight angle,

2 5 a U shape and then sawing the same transso as to make the back concave from front to versely at the center of the bent portion and rear, as shown at D. I also prefer to cut the placing the pieces edge to edge and uniting edges B B on a slight angle, as shown at 1), them together in any suitable manner. Figs. 1 and 4, instead of sawing vertically The various features of my invention will I through the wood, so that when said edges 0 be fully described in the following specificaare brought together the two portions A A tion, and particularly pointed out in the i will be inclined toward the center, as shown claims, reference being had to the accompa- 1 in Fig. Al, so as to form a depression in the nying drawings, in which bottom, as shown in Fig, at. Now by passing Figure 1 is a perspective view of a plank the chair-bottom thus formed through the 3 5 of wood bent into shape and ready to be cut sandpapering-maehine a smooth even finish I to form. the two halves of the chair-bottom. i may be given to it and the surfaces dressed Fig. 2 is a plan view showing the two portions off so as to give a uniform curve to the riser of the bottom side by side. Fig. 3 is a per- I and to the surface of the bottom. It is seen spective view of the chair-bottom complete. that by this process very little labor is re- 0 Fig. 4 is a section on line so 00 of Fig. 3, and i quired to shape up the chair-bottom, as avery Fig. 5 is a section at right angles thereto. 1 small portion of the wood has to be removed Fig. 6 is a variation in which the wood is bent I in order to give the proper curve to the surcrosswise of the grain. faces. I would have it understood, however,

A represents the plank from which the two that I do not limit myself to the exact con 45 sections A are formed. a struction shown in the drawings. Thus, in-

The construction of my improved chair- 3 stead of making the chair-bottom of two bottom is as follows: The plank A is bent at pieces cut from a single bent board, A, as ex (0, as shown in Fig. 1, and then sawed along I plained, a board may be used broad enough the dotted line a, thus dividing it into two that, when severed at the bend, each of its 50 equal portions, A A The portions A are pieces may serve to constitute a complete I00 chair-bottom, the same being suitably shaped and dressed, the riser being formed by the bend a; or the board A may be of onl onehalf the length shown in Fig. 1 and with one end bent to form the riser at the back of the seat, and the ehair-lmttom may be made from it in a single piece, as just explained; or the said piece ma be divided and wedge-shaped, or wedge-shaped and beveled strips 1) maybe removed therefrom for the purpose desired.

It the wood be bent crosswise of the grain, I may insert dowels E at right angles to the grain, as shown in Fig. (I, to prevent the wood splitting during the process of manufacture or in subsequent use.

The invention is sp '-e.iall v adapted l'or the I manut'aet ure of what are known as solid wood chair-bottoms, in eontradistinetion to pert'orated seats or to veneer seatsthat is to say, it refers to that k ind ot'ehair-bottoms in which the bottom is bored beneath for the reception of the legs and turned up into a riser at the back and bored or mortised to receive the baek or spindles.

llaving thus described m v invention, what I claim is l. A solid chair-bottom adapted to be bored or mortised for the reception of the legs and back elements, said chair-bottom composed of two or more pieces of wood running in a direction from front to rear, and curved upward at their rear ends to form the riser for the back elements, said pieces of wood joined on beveled faces, whereby, when united, the seat-bottom is dished in a direction from side to side of the chair, substantially as described. A solid chair-bottom adapted to be bored or n'lortised [or the reception of the legs and back elements, composed of two pieces, A A, placed ed go to edge, said pieces being bent at A to form a depression in the seat, and at a i to form the riser in the rear, and havingwedge-strips b cutaway from their adjacent edges, said united edges extending from front to rear and beveled at the meeting edges, so 1 that when united they will cause the seat to dish from the sides toward the center, substantially as described.

In testimony whereof I sign this specification in the presence of two witnesses.

JOHN HARLEY.

\Vitnesses:

)l. B. ()Doonnrurv. .Ionx E. WILEs. 

